Home / 36,331.47-50,137.65-21,986.55

Finding the Fourth Proportional to 36,331.47, 50,137.65 and 21,986.55

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Solution

The fourth proportional to 36,331.47, 50,137.65 and 21,986.55 is: 30,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.47 : 50,137.65 = 21,986.55 : x
  2. Step 2: Convert to fraction form
    36,331.47/50,137.65 = 21,986.55/x
  3. Step 3: Cross multiply
    36,331.47x = 50,137.65 × 21,986.55
  4. Step 4: Simplify right side
    36,331.47x = 1,102,353,948.61
  5. Step 5: Solve for x
    x = 1,102,353,948.61/36,331.47
  6. Step 6: Final answer
    x = 30,341.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.